Browse Water Systems
19,626 public water systems in CA.
Public Water Systems Database
Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| MACEDONIAN PICNIC GROUND | CA2800511 | California | Transient Non-Community | 500 |
| OAK TREE MOUNTAIN | CA3600032 | California | Transient Non-Community | 500 |
| RANCHO ALEGRE | CA4200826 | California | Transient Non-Community | 500 |
| RIVERBEND MHP | OK3007232 | California | Community | 500 |
| PLACER ELEMENTARY SCHOOL | CA3100070 | California | Non-Transient Non-Community | 500 |
| CUYAPAIPE/MT LAGUNA SYS | CA3700028 | California | Transient Non-Community | 500 |
| SPRECKLES WATER COMPANY | CA2700757 | California | Community | 500 |
| CLINE CELLARS | CA4901278 | California | Non-Transient Non-Community | 500 |
| PINE FLAT WATER CO | CA5400516 | California | Community | 500 |
| AMBLER PARK WATER SUPPLY | CA2700504 | California | Community | 500 |
| ANNETT'S MONO VILLAGE | CA2600529 | California | Transient Non-Community | 500 |
| HINKLEY MARKET & GAS | CA3600182 | California | Transient Non-Community | 500 |
| FAMILY DOLLAR - TUSTIN | MI2022267 | California | Transient Non-Community | 500 |
| DEFENSE DISTRIB. DEPOT, SHARPE SITE | CA3910701 | California | Non-Transient Non-Community | 500 |
| Hopland Reservation Sho-Ka-Wah Casino | 090600163 | California | Non-Transient Non-Community | 500 |
| SINGING HILLS RANCH CO | CA3700048 | California | Non-Transient Non-Community | 500 |
| PACIFIC AGRILANDS INC-BERENDA RANCH | CA2000857 | California | Transient Non-Community | 500 |
| NACIMIENTO RIVER CAMP | CA2701115 | California | Transient Non-Community | 500 |
| MEMORIAL PARK | CA2701113 | California | Transient Non-Community | 500 |
| Chicken Ranch Bingo | 090605106 | California | Non-Transient Non-Community | 500 |
| CAMPO HILLS-COUNTY PUBLIC WORKS WASTEWTR | CA3710047 | California | Community | 500 |
| CASWELL STATE PARK | CA3900899 | California | Transient Non-Community | 500 |
| MIRA LOMA HIGH DESERT HOSPITAL | CA1900929 | California | Non-Transient Non-Community | 500 |
| GROWERS SERVICE ASSN WS (ICE) | CA2702484 | California | Non-Transient Non-Community | 500 |
| LEO CARRILLO STATE BEACH | CA1910302 | California | Transient Non-Community | 500 |
| FRANKLIN ELEMENTARY SCHOOL | CA3100071 | California | Non-Transient Non-Community | 500 |
| BRIDGES ON THE RIVER | CA3400400 | California | Transient Non-Community | 500 |
| CAVANAUGH GOLF COURSE | CA3400104 | California | Non-Transient Non-Community | 500 |
| BSA-CAMP WHITSETT | CA5401010 | California | Transient Non-Community | 500 |
| NORTH FORK ELEMENTARY SCHOOL | CA2000612 | California | Non-Transient Non-Community | 500 |
| CIRCLE OAKS WATER DISTRICT | CA2800521 | California | Community | 500 |
| PARADISE RANCH | CA1900508 | California | Community | 500 |
| CSP-MENDOCINO HEADLANDS-SEA ARCH | CA2310308 | California | Transient Non-Community | 500 |
| MUSD-EAST UNION HIGH SCHOOL | CA3901160 | California | Non-Transient Non-Community | 500 |
| BUFFET PARADISE | CA3901125 | California | Transient Non-Community | 500 |
| KNOLL ENTERPRISES | CA3600504 | California | Community | 500 |
| MORNING STAR LAKE RESORT | CA3100091 | California | Transient Non-Community | 500 |
| CURTIS WATER COMPANY | CA1600503 | California | Community | 500 |
| SIERRA TAHOE GRANDVIEW | CA0900658 | California | Transient Non-Community | 500 |
| MENDOCINO COUNTY FAIRGROUNDS | CA2300950 | California | Transient Non-Community | 500 |
| IMPERIAL COUNTY HOSPITAL | CA1300541 | California | Community | 500 |
| TOWER MART | CA4901072 | California | Transient Non-Community | 500 |
| FERNWOOD | CA2701289 | California | Transient Non-Community | 500 |
| CITY OF RIVERBANK | CA3900801 | California | Transient Non-Community | 500 |
| NORTHSIDE CHRISTIAN CHURCH | CA1000498 | California | Transient Non-Community | 500 |
| YOSEMITE NPS-CRANE FLAT | CA2210508 | California | Transient Non-Community | 500 |
| USFS FRENCH MEADOWS SOUTH SHORE | CA3100084 | California | Transient Non-Community | 500 |
| RIVER OAK GRACE-WATER SYSTEM | CA5000483 | California | Transient Non-Community | 500 |
| USFS - WHEELER GORGE CAMPGROUND | CA5601716 | California | Transient Non-Community | 500 |
| CHIMNEY ROCK GOLF COURSE | CA2800576 | California | Transient Non-Community | 500 |